Alright, let's work through 9158 times 6378 step by step
9158 × 6378 = 6378 × (9158)
+ 6378 × 8 yielding 51024
+ 6378 × 50 which equals 318900
+ 6378 × 100 that equals 637800
+ 6378 × 9000 producing 57402000

= 58409724
